TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 14, 7:33 AM EST
Polymarket
This market refers to the doubles tennis match between Ribecai/Volpi and Sakellaridis/Sperle in the Catania, originally scheduled for October 13, 2026 at 5:00AM ET. This market will resolve to 'Ribecai/Volpi' if the team of Ribecai/Volpi advances against Sakellaridis/Sperle. This market will resolve to 'Sakellaridis/Sperle' if the team of Sakellaridis/Sperle advances against Ribecai/Volpi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Ribecai/Volpi and Sakellaridis/Sperle in the Catania, originally scheduled for October 13, 2026 at 5:00AM ET. This market will resolve to 'Ribecai/Volpi' if the team of Ribecai/Volpi advances against Sakellaridis/Sperle. This market will resolve to 'Sakellaridis/Sperle' if the team of Sakellaridis/Sperle advances against Ribecai/Volpi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd, often incorporating information and analysis beyond what’s readily available to sportsbooks. While sportsbooks set initial lines based on statistical models and expert opinions, this market allows anyone to trade on their beliefs, potentially leading to odds that more accurately predict the actual result. However, differences can emerge due to varying levels of information access, risk appetite among traders, and the inherent biases within each system. It’s common to see discrepancies, particularly as new information surfaces closer to the event.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of these shares directly reflects the implied probability of Ribecai/Volpi winning the Catania doubles match. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the market price converges toward a consensus view. The platform uses a constant product formula to ensure that liquidity is always available, and the price adjusts dynamically based on supply and demand. This creates a fluid and efficient way to express and aggregate predictions.
This market resolves around Oct 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Catania doubles match between Ribecai/Volpi and Sakellaridis/Sperle. The platform will verify the winner through official tournament results and publicly available data. Traders holding shares in the winning outcome will be paid out according to the final market price at resolution, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of this market before the Oct 20, 2026 resolution date. Any news regarding player injuries, changes in playing conditions, or updates on team strategies could shift trader sentiment. Strong performances by either team in preceding matches or tournaments could also impact the odds. Unexpected weather conditions during the match itself, or even significant shifts in public opinion based on expert analysis, could all contribute to price movements. Monitoring these signals will be key for traders looking to capitalize on opportunities.